{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "DNA", "protein", "cell line", "cell type"], "input": "The A site in the 21 bp repeat has strong homology with previously described binding sites for the transcription factor AP-2 ."}
{"RNA": [], "DNA": ["A site", "21 bp repeat", "binding sites"], "protein": ["transcription factor AP-2"], "cell line": [], "cell type": []}